This is the 16653rd most frequent Polish word.
wspierającej
"Providing support" or "supportive."
In this sentence, "wspierającej" is used as an adjective (gerund form) agreeing in gender, number, and case with "fundacja", modifying it to indicate it supports local initiatives.
Fundacja wspierającej lokalne inicjatywy organizuje wydarzenia edukacyjne.
The foundation supporting local initiatives organizes educational events.
Here, "wspierającej" functions as a possessive attribute describing "książka," showing its purpose of fostering personal development.
Książka wspierającej rozwój osobisty pomaga w osiąganiu celów.
The book supporting personal development helps in achieving goals.
In this example, "wspierającej" is modified in the genitive case to agree with "kobietę," emphasizing her supportive role towards her family.